Finding the Fourth Proportional to 222,156.21, 306,567.94 and 126,693.63
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Solution
The fourth proportional to 222,156.21, 306,567.94 and 126,693.63 is: 174,832.86
Step by Step Solution
- Step 1: Write the proportion equation
222,156.21 : 306,567.94 = 126,693.63 : x - Step 2: Convert to fraction form
222,156.21/306,567.94 = 126,693.63/x - Step 3: Cross multiply
222,156.21x = 306,567.94 × 126,693.63 - Step 4: Simplify right side
222,156.21x = 38,840,205,160.22 - Step 5: Solve for x
x = 38,840,205,160.22/222,156.21 - Step 6: Final answer
x = 174,832.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.